# uncompyle6 version 3.2.3
# Python bytecode 3.6 (3379)
# Decompiled from: Python 3.6.8 |Anaconda custom (64-bit)| (default, Feb 21 2019, 18:30:04) [MSC v.1916 64 bit (AMD64)]
# Embedded file name: site-packages\six.py
"""Utilities for writing code that runs on Python 2 and 3"""
from __future__ import absolute_import
import functools, itertools, operator, sys, types

__author__ = "Benjamin Peterson <benjamin@python.org>"
__version__ = "1.11.0"
PY2 = sys.version_info[0] == 2
PY3 = sys.version_info[0] == 3
PY34 = sys.version_info[0:2] >= (3, 4)
if PY3:
    string_types = (str,)
    integer_types = (int,)
    class_types = (type,)
    text_type = str
    binary_type = bytes
    MAXSIZE = sys.maxsize
else:
    string_types = (basestring,)
    integer_types = (int, long)
    class_types = (type, types.ClassType)
    text_type = unicode
    binary_type = str
    if sys.platform.startswith("java"):
        MAXSIZE = int(2147483647)
    else:

        class X(object):
            def __len__(self):
                return 2147483648

        try:
            len(X())
        except OverflowError:
            MAXSIZE = int(2147483647)
        else:
            MAXSIZE = int(9223372036854775807)

        del X

    def _add_doc(func, doc):
        """Add documentation to a function."""
        func.__doc__ = doc

    def _import_module(name):
        """Import module, returning the module after the last dot."""
        __import__(name)
        return sys.modules[name]

    class _LazyDescr(object):
        def __init__(self, name):
            self.name = name

        def __get__(self, obj, tp):
            result = self._resolve()
            setattr(obj, self.name, result)
            try:
                delattr(obj.__class__, self.name)
            except AttributeError:
                pass

            return result

    class MovedModule(_LazyDescr):
        def __init__(self, name, old, new=None):
            super(MovedModule, self).__init__(name)
            if PY3:
                if new is None:
                    new = name
                self.mod = new
            else:
                self.mod = old

        def _resolve(self):
            return _import_module(self.mod)

        def __getattr__(self, attr):
            _module = self._resolve()
            value = getattr(_module, attr)
            setattr(self, attr, value)
            return value

    class _LazyModule(types.ModuleType):
        def __init__(self, name):
            super(_LazyModule, self).__init__(name)
            self.__doc__ = self.__class__.__doc__

        def __dir__(self):
            attrs = ["__doc__", "__name__"]
            attrs += [attr.name for attr in self._moved_attributes]
            return attrs

        _moved_attributes = []

    class MovedAttribute(_LazyDescr):
        def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None):
            super(MovedAttribute, self).__init__(name)
            if PY3:
                if new_mod is None:
                    new_mod = name
                self.mod = new_mod
                if new_attr is None:
                    if old_attr is None:
                        new_attr = name
                    else:
                        new_attr = old_attr
                    self.attr = new_attr
                else:
                    self.mod = old_mod
                    if old_attr is None:
                        old_attr = name
                    self.attr = old_attr

        def _resolve(self):
            module = _import_module(self.mod)
            return getattr(module, self.attr)

    class _SixMetaPathImporter(object):
        """
        A meta path importer to import six.moves and its submodules.
        
        This class implements a PEP302 finder and loader. It should be compatible
        with Python 2.5 and all existing versions of Python3
        """

        def __init__(self, six_module_name):
            self.name = six_module_name
            self.known_modules = {}

        def _add_module(self, mod, *fullnames):
            for fullname in fullnames:
                self.known_modules[self.name + "." + fullname] = mod

        def _get_module(self, fullname):
            return self.known_modules[self.name + "." + fullname]

        def find_module(self, fullname, path=None):
            if fullname in self.known_modules:
                return self

        def __get_module(self, fullname):
            try:
                return self.known_modules[fullname]
            except KeyError:
                raise ImportError("This loader does not know module " + fullname)

        def load_module(self, fullname):
            try:
                return sys.modules[fullname]
            except KeyError:
                pass

            mod = self._SixMetaPathImporter__get_module(fullname)
            if isinstance(mod, MovedModule):
                mod = mod._resolve()
            else:
                mod.__loader__ = self
            sys.modules[fullname] = mod
            return mod

        def is_package(self, fullname):
            """
            Return true, if the named module is a package.
            
            We need this method to get correct spec objects with
            Python 3.4 (see PEP451)
            """
            return hasattr(self._SixMetaPathImporter__get_module(fullname), "__path__")

        def get_code(self, fullname):
            """Return None
            
            Required, if is_package is implemented"""
            self._SixMetaPathImporter__get_module(fullname)

        get_source = get_code

    _importer = _SixMetaPathImporter(__name__)

    class _MovedItems(_LazyModule):
        """Lazy loading of moved objects"""

        __path__ = []

    _moved_attributes = [
        MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"),
        MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"),
        MovedAttribute(
            "filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"
        ),
        MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"),
        MovedAttribute("intern", "__builtin__", "sys"),
        MovedAttribute("map", "itertools", "builtins", "imap", "map"),
        MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"),
        MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"),
        MovedAttribute("getoutput", "commands", "subprocess"),
        MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"),
        MovedAttribute(
            "reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"
        ),
        MovedAttribute("reduce", "__builtin__", "functools"),
        MovedAttribute("shlex_quote", "pipes", "shlex", "quote"),
        MovedAttribute("StringIO", "StringIO", "io"),
        MovedAttribute("UserDict", "UserDict", "collections"),
        MovedAttribute("UserList", "UserList", "collections"),
        MovedAttribute("UserString", "UserString", "collections"),
        MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"),
        MovedAttribute("zip", "itertools", "builtins", "izip", "zip"),
        MovedAttribute(
            "zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"
        ),
        MovedModule("builtins", "__builtin__"),
        MovedModule("configparser", "ConfigParser"),
        MovedModule("copyreg", "copy_reg"),
        MovedModule("dbm_gnu", "gdbm", "dbm.gnu"),
        MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"),
        MovedModule("http_cookiejar", "cookielib", "http.cookiejar"),
        MovedModule("http_cookies", "Cookie", "http.cookies"),
        MovedModule("html_entities", "htmlentitydefs", "html.entities"),
        MovedModule("html_parser", "HTMLParser", "html.parser"),
        MovedModule("http_client", "httplib", "http.client"),
        MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"),
        MovedModule("email_mime_image", "email.MIMEImage", "email.mime.image"),
        MovedModule(
            "email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"
        ),
        MovedModule(
            "email_mime_nonmultipart",
            "email.MIMENonMultipart",
            "email.mime.nonmultipart",
        ),
        MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"),
        MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"),
        MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"),
        MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"),
        MovedModule("cPickle", "cPickle", "pickle"),
        MovedModule("queue", "Queue"),
        MovedModule("reprlib", "repr"),
        MovedModule("socketserver", "SocketServer"),
        MovedModule("_thread", "thread", "_thread"),
        MovedModule("tkinter", "Tkinter"),
        MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"),
        MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"),
        MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"),
        MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"),
        MovedModule("tkinter_tix", "Tix", "tkinter.tix"),
        MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"),
        MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"),
        MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"),
        MovedModule("tkinter_colorchooser", "tkColorChooser", "tkinter.colorchooser"),
        MovedModule("tkinter_commondialog", "tkCommonDialog", "tkinter.commondialog"),
        MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"),
        MovedModule("tkinter_font", "tkFont", "tkinter.font"),
        MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"),
        MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", "tkinter.simpledialog"),
        MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"),
        MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"),
        MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"),
        MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"),
        MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"),
        MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"),
    ]
    if sys.platform == "win32":
        _moved_attributes += [MovedModule("winreg", "_winreg")]
    for attr in _moved_attributes:
        setattr(_MovedItems, attr.name, attr)
        if isinstance(attr, MovedModule):
            _importer._add_module(attr, "moves." + attr.name)

    del attr
    _MovedItems._moved_attributes = _moved_attributes
    moves = _MovedItems(__name__ + ".moves")
    _importer._add_module(moves, "moves")

    class Module_six_moves_urllib_parse(_LazyModule):
        """Lazy loading of moved objects in six.moves.urllib_parse"""

        pass

    _urllib_parse_moved_attributes = [
        MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
        MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
        MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
        MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
        MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
        MovedAttribute("urljoin", "urlparse", "urllib.parse"),
        MovedAttribute("urlparse", "urlparse", "urllib.parse"),
        MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
        MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
        MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
        MovedAttribute("quote", "urllib", "urllib.parse"),
        MovedAttribute("quote_plus", "urllib", "urllib.parse"),
        MovedAttribute("unquote", "urllib", "urllib.parse"),
        MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
        MovedAttribute(
            "unquote_to_bytes", "urllib", "urllib.parse", "unquote", "unquote_to_bytes"
        ),
        MovedAttribute("urlencode", "urllib", "urllib.parse"),
        MovedAttribute("splitquery", "urllib", "urllib.parse"),
        MovedAttribute("splittag", "urllib", "urllib.parse"),
        MovedAttribute("splituser", "urllib", "urllib.parse"),
        MovedAttribute("splitvalue", "urllib", "urllib.parse"),
        MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
        MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
        MovedAttribute("uses_params", "urlparse", "urllib.parse"),
        MovedAttribute("uses_query", "urlparse", "urllib.parse"),
        MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
    ]
    for attr in _urllib_parse_moved_attributes:
        setattr(Module_six_moves_urllib_parse, attr.name, attr)

    del attr
    Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
    _importer._add_module(
        Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
        "moves.urllib_parse",
        "moves.urllib.parse",
    )

    class Module_six_moves_urllib_error(_LazyModule):
        """Lazy loading of moved objects in six.moves.urllib_error"""

        pass

    _urllib_error_moved_attributes = [
        MovedAttribute("URLError", "urllib2", "urllib.error"),
        MovedAttribute("HTTPError", "urllib2", "urllib.error"),
        MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
    ]
    for attr in _urllib_error_moved_attributes:
        setattr(Module_six_moves_urllib_error, attr.name, attr)

    del attr
    Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
    _importer._add_module(
        Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
        "moves.urllib_error",
        "moves.urllib.error",
    )

    class Module_six_moves_urllib_request(_LazyModule):
        """Lazy loading of moved objects in six.moves.urllib_request"""

        pass

    _urllib_request_moved_attributes = [
        MovedAttribute("urlopen", "urllib2", "urllib.request"),
        MovedAttribute("install_opener", "urllib2", "urllib.request"),
        MovedAttribute("build_opener", "urllib2", "urllib.request"),
        MovedAttribute("pathname2url", "urllib", "urllib.request"),
        MovedAttribute("url2pathname", "urllib", "urllib.request"),
        MovedAttribute("getproxies", "urllib", "urllib.request"),
        MovedAttribute("Request", "urllib2", "urllib.request"),
        MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
        MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
        MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
        MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
        MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
        MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
        MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
        MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
        MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
        MovedAttribute("FileHandler", "urllib2", "urllib.request"),
        MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
        MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
        MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
        MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
        MovedAttribute("urlretrieve", "urllib", "urllib.request"),
        MovedAttribute("urlcleanup", "urllib", "urllib.request"),
        MovedAttribute("URLopener", "urllib", "urllib.request"),
        MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
        MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
        MovedAttribute("parse_http_list", "urllib2", "urllib.request"),
        MovedAttribute("parse_keqv_list", "urllib2", "urllib.request"),
    ]
    for attr in _urllib_request_moved_attributes:
        setattr(Module_six_moves_urllib_request, attr.name, attr)

    del attr
    Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
    _importer._add_module(
        Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
        "moves.urllib_request",
        "moves.urllib.request",
    )

    class Module_six_moves_urllib_response(_LazyModule):
        """Lazy loading of moved objects in six.moves.urllib_response"""

        pass

    _urllib_response_moved_attributes = [
        MovedAttribute("addbase", "urllib", "urllib.response"),
        MovedAttribute("addclosehook", "urllib", "urllib.response"),
        MovedAttribute("addinfo", "urllib", "urllib.response"),
        MovedAttribute("addinfourl", "urllib", "urllib.response"),
    ]
    for attr in _urllib_response_moved_attributes:
        setattr(Module_six_moves_urllib_response, attr.name, attr)

    del attr
    Module_six_moves_urllib_response._moved_attributes = (
        _urllib_response_moved_attributes
    )
    _importer._add_module(
        Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
        "moves.urllib_response",
        "moves.urllib.response",
    )

    class Module_six_moves_urllib_robotparser(_LazyModule):
        """Lazy loading of moved objects in six.moves.urllib_robotparser"""

        pass

    _urllib_robotparser_moved_attributes = [
        MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser")
    ]
    for attr in _urllib_robotparser_moved_attributes:
        setattr(Module_six_moves_urllib_robotparser, attr.name, attr)

    del attr
    Module_six_moves_urllib_robotparser._moved_attributes = (
        _urllib_robotparser_moved_attributes
    )
    _importer._add_module(
        Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
        "moves.urllib_robotparser",
        "moves.urllib.robotparser",
    )

    class Module_six_moves_urllib(types.ModuleType):
        """Create a six.moves.urllib namespace that resembles the Python 3 namespace"""

        __path__ = []
        parse = _importer._get_module("moves.urllib_parse")
        error = _importer._get_module("moves.urllib_error")
        request = _importer._get_module("moves.urllib_request")
        response = _importer._get_module("moves.urllib_response")
        robotparser = _importer._get_module("moves.urllib_robotparser")

        def __dir__(self):
            return ["parse", "error", "request", "response", "robotparser"]

    _importer._add_module(
        Module_six_moves_urllib(__name__ + ".moves.urllib"), "moves.urllib"
    )

    def add_move(move):
        """Add an item to six.moves."""
        setattr(_MovedItems, move.name, move)

    def remove_move(name):
        """Remove item from six.moves."""
        try:
            delattr(_MovedItems, name)
        except AttributeError:
            try:
                del moves.__dict__[name]
            except KeyError:
                raise AttributeError("no such move, %r" % (name,))

    if PY3:
        _meth_func = "__func__"
        _meth_self = "__self__"
        _func_closure = "__closure__"
        _func_code = "__code__"
        _func_defaults = "__defaults__"
        _func_globals = "__globals__"
    else:
        _meth_func = "im_func"
        _meth_self = "im_self"
        _func_closure = "func_closure"
        _func_code = "func_code"
        _func_defaults = "func_defaults"
        _func_globals = "func_globals"
    try:
        advance_iterator = next
    except NameError:

        def advance_iterator(it):
            return it.next()

    next = advance_iterator
    try:
        callable = callable
    except NameError:

        def callable(obj):
            return any(("__call__" in klass.__dict__ for klass in type(obj).__mro__))

    if PY3:

        def get_unbound_function(unbound):
            return unbound

        create_bound_method = types.MethodType

        def create_unbound_method(func, cls):
            return func

        Iterator = object
    else:

        def get_unbound_function(unbound):
            return unbound.im_func

        def create_bound_method(func, obj):
            return types.MethodType(func, obj, obj.__class__)

        def create_unbound_method(func, cls):
            return types.MethodType(func, None, cls)

        class Iterator(object):
            def next(self):
                return type(self).__next__(self)

        callable = callable
    _add_doc(
        get_unbound_function, "Get the function out of a possibly unbound function"
    )
    get_method_function = operator.attrgetter(_meth_func)
    get_method_self = operator.attrgetter(_meth_self)
    get_function_closure = operator.attrgetter(_func_closure)
    get_function_code = operator.attrgetter(_func_code)
    get_function_defaults = operator.attrgetter(_func_defaults)
    get_function_globals = operator.attrgetter(_func_globals)
    if PY3:

        def iterkeys(d, **kw):
            return iter(d.keys(**kw))

        def itervalues(d, **kw):
            return iter(d.values(**kw))

        def iteritems(d, **kw):
            return iter(d.items(**kw))

        def iterlists(d, **kw):
            return iter(d.lists(**kw))

        viewkeys = operator.methodcaller("keys")
        viewvalues = operator.methodcaller("values")
        viewitems = operator.methodcaller("items")
    else:

        def iterkeys(d, **kw):
            return d.iterkeys(**kw)

        def itervalues(d, **kw):
            return d.itervalues(**kw)

        def iteritems(d, **kw):
            return d.iteritems(**kw)

        def iterlists(d, **kw):
            return d.iterlists(**kw)

        viewkeys = operator.methodcaller("viewkeys")
        viewvalues = operator.methodcaller("viewvalues")
        viewitems = operator.methodcaller("viewitems")
    _add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
    _add_doc(itervalues, "Return an iterator over the values of a dictionary.")
    _add_doc(
        iteritems, "Return an iterator over the (key, value) pairs of a dictionary."
    )
    _add_doc(
        iterlists, "Return an iterator over the (key, [values]) pairs of a dictionary."
    )
    if PY3:

        def b(s):
            return s.encode("latin-1")

        def u(s):
            return s

        unichr = chr
        import struct

        int2byte = struct.Struct(">B").pack
        del struct
        byte2int = operator.itemgetter(0)
        indexbytes = operator.getitem
        iterbytes = iter
        import io

        StringIO = io.StringIO
        BytesIO = io.BytesIO
        _assertCountEqual = "assertCountEqual"
        if sys.version_info[1] <= 1:
            _assertRaisesRegex = "assertRaisesRegexp"
            _assertRegex = "assertRegexpMatches"
        else:
            _assertRaisesRegex = "assertRaisesRegex"
            _assertRegex = "assertRegex"
    else:

        def b(s):
            return s

        def u(s):
            return unicode(s.replace("\\\\", "\\\\\\\\"), "unicode_escape")

        unichr = unichr
        int2byte = chr

        def byte2int(bs):
            return ord(bs[0])

        def indexbytes(buf, i):
            return ord(buf[i])

        iterbytes = functools.partial(itertools.imap, ord)
        import StringIO

        StringIO = BytesIO = StringIO.StringIO
        _assertCountEqual = "assertItemsEqual"
        _assertRaisesRegex = "assertRaisesRegexp"
        _assertRegex = "assertRegexpMatches"
    _add_doc(b, "Byte literal")
    _add_doc(u, "Text literal")

    def assertCountEqual(self, *args, **kwargs):
        return getattr(self, _assertCountEqual)(*args, **kwargs)

    def assertRaisesRegex(self, *args, **kwargs):
        return getattr(self, _assertRaisesRegex)(*args, **kwargs)

    def assertRegex(self, *args, **kwargs):
        return getattr(self, _assertRegex)(*args, **kwargs)

    if PY3:
        exec_ = getattr(moves.builtins, "exec")

        def reraise(tp, value, tb=None):
            try:
                if value is None:
                    value = tp()
                if value.__traceback__ is not tb:
                    raise value.with_traceback(tb)
                raise value
            finally:
                value = None
                tb = None

    else:

        def exec_(_code_, _globs_=None, _locs_=None):
            """Execute code in a namespace."""
            if _globs_ is None:
                frame = sys._getframe(1)
                _globs_ = frame.f_globals
                if _locs_ is None:
                    _locs_ = frame.f_locals
                del frame
            else:
                if _locs_ is None:
                    _locs_ = _globs_
            exec("exec _code_ in _globs_, _locs_")

        exec_(
            "def reraise(tp, value, tb=None):\n    try:\n        raise tp, value, tb\n    finally:\n        tb = None\n"
        )
    if sys.version_info[:2] == (3, 2):
        exec_(
            "def raise_from(value, from_value):\n    try:\n        if from_value is None:\n            raise value\n        raise value from from_value\n    finally:\n        value = None\n"
        )
    else:
        if sys.version_info[:2] > (3, 2):
            exec_(
                "def raise_from(value, from_value):\n    try:\n        raise value from from_value\n    finally:\n        value = None\n"
            )
        else:

            def raise_from(value, from_value):
                raise value

        print_ = getattr(moves.builtins, "print", None)
        if print_ is None:

            def print_(*args, **kwargs):
                """The new-style print function for Python 2.4 and 2.5."""
                fp = kwargs.pop("file", sys.stdout)
                if fp is None:
                    return

                def write(data):
                    if not isinstance(data, basestring):
                        data = str(data)
                    if isinstance(fp, file):
                        if isinstance(data, unicode):
                            if fp.encoding is not None:
                                errors = getattr(fp, "errors", None)
                                if errors is None:
                                    errors = "strict"
                                data = data.encode(fp.encoding, errors)
                    fp.write(data)

                want_unicode = False
                sep = kwargs.pop("sep", None)
                if sep is not None:
                    if isinstance(sep, unicode):
                        want_unicode = True
                    else:
                        if not isinstance(sep, str):
                            raise TypeError("sep must be None or a string")
                    end = kwargs.pop("end", None)
                    if end is not None:
                        if isinstance(end, unicode):
                            want_unicode = True
                        else:
                            if not isinstance(end, str):
                                raise TypeError("end must be None or a string")
                        if kwargs:
                            raise TypeError("invalid keyword arguments to print()")
                        if not want_unicode:
                            for arg in args:
                                if isinstance(arg, unicode):
                                    want_unicode = True
                                    break

                        if want_unicode:
                            newline = unicode("\n")
                            space = unicode(" ")
                        else:
                            newline = "\n"
                            space = " "
                        if sep is None:
                            sep = space
                        if end is None:
                            end = newline
                        for i, arg in enumerate(args):
                            if i:
                                write(sep)
                            write(arg)

                        write(end)

        if sys.version_info[:2] < (3, 3):
            _print = print_

            def print_(*args, **kwargs):
                fp = kwargs.get("file", sys.stdout)
                flush = kwargs.pop("flush", False)
                _print(*args, **kwargs)
                if flush:
                    if fp is not None:
                        fp.flush()

        _add_doc(reraise, "Reraise an exception.")
        if sys.version_info[0:2] < (3, 4):

            def wraps(
                wrapped,
                assigned=functools.WRAPPER_ASSIGNMENTS,
                updated=functools.WRAPPER_UPDATES,
            ):
                def wrapper(f):
                    f = functools.wraps(wrapped, assigned, updated)(f)
                    f.__wrapped__ = wrapped
                    return f

                return wrapper

        else:
            wraps = functools.wraps

        def with_metaclass(meta, *bases):
            """Create a base class with a metaclass."""

            class metaclass(type):
                def __new__(cls, name, this_bases, d):
                    return meta(name, bases, d)

                @classmethod
                def __prepare__(cls, name, this_bases):
                    return meta.__prepare__(name, bases)

            return type.__new__(metaclass, "temporary_class", (), {})

        def add_metaclass(metaclass):
            """Class decorator for creating a class with a metaclass."""

            def wrapper(cls):
                orig_vars = cls.__dict__.copy()
                slots = orig_vars.get("__slots__")
                if slots is not None:
                    if isinstance(slots, str):
                        slots = [slots]
                    for slots_var in slots:
                        orig_vars.pop(slots_var)

                orig_vars.pop("__dict__", None)
                orig_vars.pop("__weakref__", None)
                return metaclass(cls.__name__, cls.__bases__, orig_vars)

            return wrapper

        def python_2_unicode_compatible(klass):
            """
            A decorator that defines __unicode__ and __str__ methods under Python 2.
            Under Python 3 it does nothing.
            
            To support Python 2 and 3 with a single code base, define a __str__ method
            returning text and apply this decorator to the class.
            """
            if PY2:
                if "__str__" not in klass.__dict__:
                    raise ValueError(
                        "@python_2_unicode_compatible cannot be applied to %s because it doesn't define __str__()."
                        % klass.__name__
                    )
                klass.__unicode__ = klass.__str__
                klass.__str__ = lambda self: self.__unicode__().encode("utf-8")
            return klass

        __path__ = []
        __package__ = __name__
        if globals().get("__spec__") is not None:
            __spec__.submodule_search_locations = []
        if sys.meta_path:
            for i, importer in enumerate(sys.meta_path):
                if type(importer).__name__ == "_SixMetaPathImporter":
                    if importer.name == __name__:
                        del sys.meta_path[i]
                        break

            del i
            del importer
        sys.meta_path.append(_importer)
